12121681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 15321600

約数和(自身を除く): 3199919

約数列:

[1, 11, 13, 29, 37, 79, 143, 319, 377, 407, 481, 869, 1027, 1073, 2291, 2923, 4147, 5291, 11297, 11803, 13949, 25201, 29783, 32153, 37999, 84767, 153439, 327613, 417989, 932437, 1101971, 12121681]

約数ペア:

[(1, 12121681), (11, 1101971), (13, 932437), (29, 417989), (37, 327613), (79, 153439), (143, 84767), (319, 37999), (377, 32153), (407, 29783), (481, 25201), (869, 13949), (1027, 11803), (1073, 11297), (2291, 5291), (2923, 4147)]